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Kathleen McLaughlin

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The Cold Cases of York Region: Kathleen McLaughlin

While working  the streets in downtown Toronto, Kathleen McLaughlin went by a handful of aliases: Katherine Lyle, Katherine Moore, and Katherine Descoteaux.

To her family, she was simply Kathleen McLaughlin, a 33-year-old mother of three. 

Kathleen's body was found by surveyors in a cornfield near Warden Avenue, south of Highway 7, in Markham on July 31, 1979. An autopsy later determined that she had died as a result of blunt-force trauma. 

She was last seen alive more than one month earlier, on June 27 in Toronto's Cabbagetown neighbourhood, where she worked as a prostitute. Police believe she may have got into a vehicle in a hotel parking lot near Sherbourne and Carlton Streets in the dark of night.

That vehicle, possibly brown or cream coloured, was never identified.

From the cold case files

Crime Scene Photographs

Photo Gallery: Kathleen McLaughlin will appear here on the public site.

Cold Case Docs

Points of Interest

Help solve Kathleen's murder

Do you have information about Kathleen McLaughlin's murder? Can you help identify her killer? 

If so, please contact the York Regional Police Cold Case Unit at 1-866-876-5423 ext. 7865 or email the investigators directly. Want to remain anonymous? Call Crime Stoppers at 1-800-222-TIPS, leave a tip online at or text a tip by sending TIPYORK and a message to CRIMES (274637).